Africa vs East Africa

Africa and East Africa both are nouns.

Word	Noun	Adjective	Verb	Adverb
Africa	Yes	No	No	No
East Africa	Yes	No	No	No

Africa (noun)	East Africa (noun)
the second largest continent; located to the south of Europe and bordered to the west by the South Atlantic and to the east by the Indian Ocean	a geographical area in eastern Africa